Datasheet

TMC4361A Datasheet | Document Revision 1.22 2017-JAN-12
58/230
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Read entire documentation; especially the Supplemental Directiveson page 224.
MAIN MANUAL
At the same time when an enabled virtual stop switch becomes active the related
status flag is activated in the
STATUS
flags register 0x0F. The flag remains active as
long as the stop switch remains active.
The particular event is also released in the
EVENTS
register 0x0E, which remains active
until the event is reset manually. When
VACTUAL
= 0 is reached after the stop event
no motion in the particular direction is possible.
In order to move into the locked direction, the following is required:
PRECONDITION 1:
The particular stop switch is NOT active anymore because the actual position does not
exceed the specified limit.
AND/OR
PRECONDITION 2:
Virtual stop switch is disabled (
virtual_left/right_limit_en
= 0).
Action:
Set back active event by reading out
EVENTS
register 0x0E.
i See information about clearing events provided in section 5.1. , page 25.
Result:
The active virtual stop event bit is reset to free motion into the direction that was
locked beforehand.
i
invert_stop_direction
has no influence on
VIRTUAL_STOP_LEFT and
VIRTUAL_STOP_RIGHT
.
How Active
Virtual Stops are
indicated and
reset to Free
Motion